US4075975A - Rotator and coater system for drum shells - Google Patents

Rotator and coater system for drum shells Download PDF

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Publication number
US4075975A
US4075975A US05/730,028 US73002876A US4075975A US 4075975 A US4075975 A US 4075975A US 73002876 A US73002876 A US 73002876A US 4075975 A US4075975 A US 4075975A
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US
United States
Prior art keywords
drum
drums
frame
power
rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/730,028
Inventor
Donald E. Oswald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shawmut Capital Corp
Security Pacific Business Credit Inc
Original Assignee
Kaiser Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaiser Steel Corp filed Critical Kaiser Steel Corp
Priority to US05/730,028 priority Critical patent/US4075975A/en
Priority to CA283,326A priority patent/CA1084698A/en
Priority to AU28220/77A priority patent/AU504415B2/en
Priority to DE2743378A priority patent/DE2743378C2/en
Priority to JP11657477A priority patent/JPS5346341A/en
Priority to BE181305A priority patent/BE859196A/en
Priority to BR7706562A priority patent/BR7706562A/en
Priority to GB40930/77A priority patent/GB1540366A/en
Priority to FR7729634A priority patent/FR2366883A1/en
Priority to NLAANVRAGE7710782,A priority patent/NL173367C/en
Priority to PT67117A priority patent/PT67117B/en
Priority to IT28333/77A priority patent/IT1087670B/en
Priority to IL53068A priority patent/IL53068A/en
Publication of US4075975A publication Critical patent/US4075975A/en
Application granted granted Critical
Assigned to KAISER STEEL (DELAWARE), INC. A CORP. OF DE reassignment KAISER STEEL (DELAWARE), INC. A CORP. OF DE MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE JAN. 26, 1984 Assignors: KAISER STEEL CORPORATION A CORP. OF NE
Assigned to IMACC CORPORATION, A CORP. OF CA reassignment IMACC CORPORATION, A CORP. OF CA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: KAISER STEEL CORPORATION A DE CORP
Assigned to SECURITY PACIFIC BUSINESS CREDIT INC. reassignment SECURITY PACIFIC BUSINESS CREDIT INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: IMACC CORPORATION
Assigned to BARCLAYSAMERICAN/BUSINESS CREDIT, INC., 1999 HARRISON STREET, SUITE 1450, OAKLAND, CA 94612, A CT CORP. reassignment BARCLAYSAMERICAN/BUSINESS CREDIT, INC., 1999 HARRISON STREET, SUITE 1450, OAKLAND, CA 94612, A CT CORP. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: IMACC CORPORATION
Assigned to SHAWMUT CAPITAL CORPORATION reassignment SHAWMUT CAPITAL CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BARCLAYS BUSINESS CREDIT, INC.
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C7/00—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work
    • B05C7/06—Apparatus specially designed for applying liquid or other fluent material to the inside of hollow work by devices moving in contact with the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
    • B05B13/0654—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
    • B05B13/0663—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and the hollow bodies being translated in a direction parallel to the rotational axis

Definitions

  • the principal object of the invention is to provide a drum rotator system operable to power-rotate stationary, open-ended drum shells while maintaining their horizontally positioned longitudinal axes fixedly positioned in space.
  • FIG. 1 is a view in perspective of the drum rotator of the invention
  • FIG. 2 is a view in front elevation of the overall drum rotator
  • FIG. 3 is a view taken along lines 3--3 of FIG. 1.
  • the present drum shell, or drum, rotator comprises a conveyor 10, drum support means carried by the conveyor comprising cradle members 12 having idler rolls 14, an overhead, fixed support frame indicated generally by 16, and an overhead movable support frame indicated generally by 18.
  • the fixed frame 16 comprises vertical frame member 20 and horizontal frame members 22, the latter supporting a pair of air cylinders 24.
  • the cylinders 24 are provided with cylinder rods 26 which support the movable frame 18.
  • the movable frame 18 comprises an upper, rectangular framework 28, a lower rectangular framework 30, and vertical hanger members 32 interconnecting the frameworks 28 and 30. Supported from the framework 30 are four idler rollers 34 having associated therewith springs 36. Also supported from framework 30 is a pair of rotatable shafts 38 having fixedly attached thereto drive rollers 40. The shafts 38 are provided with gear wheels 42 which are driven by belts 44, 45 which in turn are driven by motor 46 mounted on upper framework 28.
  • the movable frame 18 is provided with vertically extending guide rods 48 which travel within fixed sleeve guide members 50 carried by the upper, fixed frame 16.
  • the rectangular, dotted outline 52 in FIG. 2 indicates the coating application booth within which the drum shells are internally coated.
  • Drum shells are placed between the cradle members 12 of the conveyoer 10.
  • Motor 46 and drive rollers 40 run continuously.
  • conveyor 10 is stopped by any suitable control device. This initiates downward movement of the frame 18 to bring the rollers 34 and 40 into pressing engagement with the drum shells to rotate the drum shells.
  • operation of the coating applicator heads 54 i.e. spray applicator means, which are normally disposed outside of the drums in alignment with the central axes thereof, commences.
  • the heads are provided with means 55 to move them axially into the shells for substantially the full length thereof and then axially out of the shells.
  • the coating material e.g. a paint or a resin powder
  • the coating material e.g. a paint or a resin powder
  • the heads 54 then are retracted from the shells.
  • frame 18 is moved to a raised position by cylinders 24, and the conveyor 10 then moves to convey the coated shells away for subsequent handling and to convey a pair of uncoated shells to the FIG. 2 position for coating.
  • the rate of rotation of the drum shells is approximately 100 rpm. At such a speed there is a great tendency for the shells to bounce up and down to some degree. It is important, on the other hand, that such bouncing be prevented in order that the applicator heads 54 may at all times during coating application be in alignment with the longitudinal axes of the drum shells. This is accomplished by the overhead drum shell rotator and drum shell hold-down system whereby under the hold-down action of the air cylinders and the springs 36 all of the idler rollers 34 and the driver rollers 40 are maintained, against upward movement thereof, in a joint hold-down operation with respect to the shells.

Abstract

Drums are supported for rotation on idler rollers carried by an intermittently operable conveyor, and when the drums reach a predetermined position in which their longitudinal axes are aligned with telescopically movable coating material applicator heads the conveyor movement of the drums is stopped and an overhead assembly is moved downwardly into engagement with the drum shells to hold them down and rotate them while the coating applicator heads move inwardly and outwardly of the shells.

Description

SUMMARY OF THE INVENTION
The principal object of the invention is to provide a drum rotator system operable to power-rotate stationary, open-ended drum shells while maintaining their horizontally positioned longitudinal axes fixedly positioned in space.
Other objects and advantages of the invention will be apparent from the following descriptive taken in conjunction with the drawing forming part of this specification, and in which:
FIG. 1 is a view in perspective of the drum rotator of the invention;
FIG. 2 is a view in front elevation of the overall drum rotator; and
FIG. 3 is a view taken along lines 3--3 of FIG. 1.
DESCRIPTION OF THE INVENTION
The present drum shell, or drum, rotator comprises a conveyor 10, drum support means carried by the conveyor comprising cradle members 12 having idler rolls 14, an overhead, fixed support frame indicated generally by 16, and an overhead movable support frame indicated generally by 18.
The fixed frame 16 comprises vertical frame member 20 and horizontal frame members 22, the latter supporting a pair of air cylinders 24. The cylinders 24 are provided with cylinder rods 26 which support the movable frame 18.
The movable frame 18 comprises an upper, rectangular framework 28, a lower rectangular framework 30, and vertical hanger members 32 interconnecting the frameworks 28 and 30. Supported from the framework 30 are four idler rollers 34 having associated therewith springs 36. Also supported from framework 30 is a pair of rotatable shafts 38 having fixedly attached thereto drive rollers 40. The shafts 38 are provided with gear wheels 42 which are driven by belts 44, 45 which in turn are driven by motor 46 mounted on upper framework 28. The movable frame 18 is provided with vertically extending guide rods 48 which travel within fixed sleeve guide members 50 carried by the upper, fixed frame 16.
The rectangular, dotted outline 52 in FIG. 2 indicates the coating application booth within which the drum shells are internally coated.
The operation of the drum shell rotator and coater system is as follows. Drum shells are placed between the cradle members 12 of the conveyoer 10. Motor 46 and drive rollers 40 run continuously. When the shells reach the FIG. 2 position, conveyor 10 is stopped by any suitable control device. This initiates downward movement of the frame 18 to bring the rollers 34 and 40 into pressing engagement with the drum shells to rotate the drum shells. As this occurs, operation of the coating applicator heads 54, i.e. spray applicator means, which are normally disposed outside of the drums in alignment with the central axes thereof, commences. The heads are provided with means 55 to move them axially into the shells for substantially the full length thereof and then axially out of the shells. During this movement the coating material, e.g. a paint or a resin powder, is dispended radially from the leading end of the head to coat the interior of the shell. The heads 54 then are retracted from the shells. When they are fully withdrawn from the shells, frame 18 is moved to a raised position by cylinders 24, and the conveyor 10 then moves to convey the coated shells away for subsequent handling and to convey a pair of uncoated shells to the FIG. 2 position for coating.
The rate of rotation of the drum shells is approximately 100 rpm. At such a speed there is a great tendency for the shells to bounce up and down to some degree. It is important, on the other hand, that such bouncing be prevented in order that the applicator heads 54 may at all times during coating application be in alignment with the longitudinal axes of the drum shells. This is accomplished by the overhead drum shell rotator and drum shell hold-down system whereby under the hold-down action of the air cylinders and the springs 36 all of the idler rollers 34 and the driver rollers 40 are maintained, against upward movement thereof, in a joint hold-down operation with respect to the shells.

Claims (4)

What is claimed is:
1. Drum handling apparatus comprising roller support means for supporting a horizontally disposed drum for rotation, and drum rotator and hold-down means operable to rapidly rotate a drum on said support means while suppressing horizontal and vertical movement of said drum, said rotator and hold-down means comprising an overhead frame, means supporting said frame for guided, reciprocatable, vertical movement, power rollers and idler rollers carried by said frame, depending therefrom, and adapted to engage and rotate said drum when said frame is moved downwardly, power means to move said frame downwardly and press said power and idler rollers against said drum and to thereafter move said frame upwardly, and a motor mounted on said frame, movable therewith, and driveably connected to said power rollers.
2. The apparatus of claim 1, further comprising horizontally disposed spray applicator means in axial alignment with said drum, and means to move said applicator means axially into and axially out of said drum while said drum is being held down and rapidly rotated.
3. The apparatus of claim 1, said roller support means being adapted to support a pair of drums in side by side relation, said power and idler rollers being adapted to jointly and severally engage said drums, the power rollers being engageable with adjacent sides of said drums and the idler rollers being engageable with the outer sides of said drums and said motor being connected to the power rollers to drive said drums.
4. The apparatus of claim 3, further comprising horizontally disposed spray applicator means in axial alignment with said drums, and means to move said applicator means axially into and axially out of said drums while said drums are being held down and rapidly rotated.
US05/730,028 1976-10-06 1976-10-06 Rotator and coater system for drum shells Expired - Lifetime US4075975A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
US05/730,028 US4075975A (en) 1976-10-06 1976-10-06 Rotator and coater system for drum shells
CA283,326A CA1084698A (en) 1976-10-06 1977-07-22 Rotator and coater system for drum shells
AU28220/77A AU504415B2 (en) 1976-10-06 1977-08-25 Rotator and coater system for drum shells
DE2743378A DE2743378C2 (en) 1976-10-06 1977-09-27 Device for handling essentially cylindrical containers
JP11657477A JPS5346341A (en) 1976-10-06 1977-09-28 Dram handling device
BE181305A BE859196A (en) 1976-10-06 1977-09-29 SYSTEM FOR THE ROTATION OF CYLINDRICAL CONTAINERS TO APPLY A COATING
BR7706562A BR7706562A (en) 1976-10-06 1977-09-30 IMPROVEMENT IN DRUM HANDLING EQUIPMENT
FR7729634A FR2366883A1 (en) 1976-10-06 1977-10-03 SYSTEM FOR THE ROTATION OF CYLINDRICAL CONTAINERS TO APPLY A COATING
GB40930/77A GB1540366A (en) 1976-10-06 1977-10-03 Drum handling apparatus
NLAANVRAGE7710782,A NL173367C (en) 1976-10-06 1977-10-03 Device for the internal coating of a cylindrical barrel or a barrel jacket.
IT28333/77A IT1087670B (en) 1976-10-06 1977-10-06 APPARATUS TO ROTATE METAL DRUM ENVELOPES TO APPLY COATINGS
IL53068A IL53068A (en) 1976-10-06 1977-10-06 Rotator and coater system for drum shells
PT67117A PT67117B (en) 1976-10-06 1977-10-06 Handling rotator and coater system for drum shells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/730,028 US4075975A (en) 1976-10-06 1976-10-06 Rotator and coater system for drum shells

Publications (1)

Publication Number Publication Date
US4075975A true US4075975A (en) 1978-02-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
US05/730,028 Expired - Lifetime US4075975A (en) 1976-10-06 1976-10-06 Rotator and coater system for drum shells

Country Status (13)

Country Link
US (1) US4075975A (en)
JP (1) JPS5346341A (en)
AU (1) AU504415B2 (en)
BE (1) BE859196A (en)
BR (1) BR7706562A (en)
CA (1) CA1084698A (en)
DE (1) DE2743378C2 (en)
FR (1) FR2366883A1 (en)
GB (1) GB1540366A (en)
IL (1) IL53068A (en)
IT (1) IT1087670B (en)
NL (1) NL173367C (en)
PT (1) PT67117B (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010099258A (en) * 2001-09-17 2001-11-09 대영용기 주식회사 Painting apparatus for drum
US20040062875A1 (en) * 2002-09-27 2004-04-01 Surmodics, Inc. Advanced coating apparatus and method
US20050158449A1 (en) * 2002-09-27 2005-07-21 Chappa Ralph A. Method and apparatus for coating of substrates
US20060088653A1 (en) * 2004-10-27 2006-04-27 Chappa Ralph A Method and apparatus for coating of substrates
KR100612936B1 (en) 2005-01-06 2006-08-14 유기형 A method for painting drum
USRE40722E1 (en) 2002-09-27 2009-06-09 Surmodics, Inc. Method and apparatus for coating of substrates
US9283350B2 (en) 2012-12-07 2016-03-15 Surmodics, Inc. Coating apparatus and methods
US9308355B2 (en) 2012-06-01 2016-04-12 Surmodies, Inc. Apparatus and methods for coating medical devices
US9364349B2 (en) 2008-04-24 2016-06-14 Surmodics, Inc. Coating application system with shaped mandrel
US9827401B2 (en) 2012-06-01 2017-11-28 Surmodics, Inc. Apparatus and methods for coating medical devices
CN107500195A (en) * 2017-08-28 2017-12-22 合肥搬易通科技发展有限公司 A kind of handler suitable for coiled material material
CN112403734A (en) * 2020-11-12 2021-02-26 朱亚蓉 Rotating device for production and coating of automobile parts
US11090468B2 (en) 2012-10-25 2021-08-17 Surmodics, Inc. Apparatus and methods for coating medical devices
US11465171B2 (en) * 2017-08-21 2022-10-11 Ecom Medical, Inc. Systems and methods for applying materials to medical devices
CN115382688A (en) * 2022-08-30 2022-11-25 安徽紫朔环境工程技术有限公司 Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof
US11628466B2 (en) 2018-11-29 2023-04-18 Surmodics, Inc. Apparatus and methods for coating medical devices
CN116140099A (en) * 2022-12-30 2023-05-23 江苏弘扬石英制品有限公司 Quartz diffusion tube spraying device for solar photovoltaic and implementation method thereof
US11819590B2 (en) 2019-05-13 2023-11-21 Surmodics, Inc. Apparatus and methods for coating medical devices

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US5156750A (en) * 1987-07-08 1992-10-20 A. Ahlstrom Corporation Method and apparatus for thickening a fiber suspension and removing fine particles therefrom
DE3932312A1 (en) * 1989-09-28 1991-04-11 Praezisions Werkzeuge Ag METHOD AND SYSTEM FOR SPRAY COATING WORKPIECES

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010099258A (en) * 2001-09-17 2001-11-09 대영용기 주식회사 Painting apparatus for drum
USRE46251E1 (en) 2002-09-27 2016-12-27 Surmodics, Inc. Advanced coating apparatus and method
US7776382B2 (en) 2002-09-27 2010-08-17 Surmodics, Inc Advanced coating apparatus and method
US20040062875A1 (en) * 2002-09-27 2004-04-01 Surmodics, Inc. Advanced coating apparatus and method
US20060165872A1 (en) * 2002-09-27 2006-07-27 Chappa Ralph A Advanced coating apparatus and method
US7192484B2 (en) 2002-09-27 2007-03-20 Surmodics, Inc. Advanced coating apparatus and method
US7125577B2 (en) 2002-09-27 2006-10-24 Surmodics, Inc Method and apparatus for coating of substrates
US20050158449A1 (en) * 2002-09-27 2005-07-21 Chappa Ralph A. Method and apparatus for coating of substrates
US20070101933A1 (en) * 2002-09-27 2007-05-10 Surmodics, Inc. Method and Apparatus for Coating of Substrates
USRE40722E1 (en) 2002-09-27 2009-06-09 Surmodics, Inc. Method and apparatus for coating of substrates
US7669548B2 (en) 2002-09-27 2010-03-02 Surmodics, Inc. Method and apparatus for coating of substrates
US7958840B2 (en) 2004-10-27 2011-06-14 Surmodics, Inc. Method and apparatus for coating of substrates
US20060088653A1 (en) * 2004-10-27 2006-04-27 Chappa Ralph A Method and apparatus for coating of substrates
KR100612936B1 (en) 2005-01-06 2006-08-14 유기형 A method for painting drum
US9364349B2 (en) 2008-04-24 2016-06-14 Surmodics, Inc. Coating application system with shaped mandrel
US9308355B2 (en) 2012-06-01 2016-04-12 Surmodies, Inc. Apparatus and methods for coating medical devices
US9827401B2 (en) 2012-06-01 2017-11-28 Surmodics, Inc. Apparatus and methods for coating medical devices
US10099041B2 (en) 2012-06-01 2018-10-16 Surmodics, Inc. Apparatus and methods for coating medical devices
US10507309B2 (en) 2012-06-01 2019-12-17 Surmodics, Inc. Apparatus and methods for coating medical devices
US9623215B2 (en) 2012-06-01 2017-04-18 Surmodics, Inc. Apparatus and methods for coating medical devices
US11090468B2 (en) 2012-10-25 2021-08-17 Surmodics, Inc. Apparatus and methods for coating medical devices
US9283350B2 (en) 2012-12-07 2016-03-15 Surmodics, Inc. Coating apparatus and methods
US11465171B2 (en) * 2017-08-21 2022-10-11 Ecom Medical, Inc. Systems and methods for applying materials to medical devices
US11794207B2 (en) 2017-08-21 2023-10-24 Ecom Medical, Inc. Systems and methods for applying materials to medical devices
CN107500195A (en) * 2017-08-28 2017-12-22 合肥搬易通科技发展有限公司 A kind of handler suitable for coiled material material
CN107500195B (en) * 2017-08-28 2019-04-09 合肥搬易通科技发展有限公司 A kind of handler suitable for coiled material material
US11628466B2 (en) 2018-11-29 2023-04-18 Surmodics, Inc. Apparatus and methods for coating medical devices
US11819590B2 (en) 2019-05-13 2023-11-21 Surmodics, Inc. Apparatus and methods for coating medical devices
CN112403734A (en) * 2020-11-12 2021-02-26 朱亚蓉 Rotating device for production and coating of automobile parts
CN115382688B (en) * 2022-08-30 2023-06-16 安徽紫朔环境工程技术有限公司 Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof
CN115382688A (en) * 2022-08-30 2022-11-25 安徽紫朔环境工程技术有限公司 Denitration catalyst slurry coated on ceramic filter tube and coating equipment thereof
CN116140099A (en) * 2022-12-30 2023-05-23 江苏弘扬石英制品有限公司 Quartz diffusion tube spraying device for solar photovoltaic and implementation method thereof
CN116140099B (en) * 2022-12-30 2023-10-24 江苏弘扬石英制品有限公司 Quartz diffusion tube spraying device for solar photovoltaic and implementation method thereof

Also Published As

Publication number Publication date
PT67117B (en) 1979-03-16
DE2743378A1 (en) 1978-04-13
FR2366883B1 (en) 1982-12-03
IL53068A (en) 1980-01-31
CA1084698A (en) 1980-09-02
BE859196A (en) 1978-01-16
NL173367B (en) 1983-08-16
NL7710782A (en) 1978-04-10
NL173367C (en) 1984-01-16
BR7706562A (en) 1978-06-27
IL53068A0 (en) 1977-12-30
DE2743378C2 (en) 1982-07-08
AU504415B2 (en) 1979-10-11
GB1540366A (en) 1979-02-14
JPS5711264B2 (en) 1982-03-03
AU2822077A (en) 1979-03-08
JPS5346341A (en) 1978-04-25
FR2366883A1 (en) 1978-05-05
PT67117A (en) 1977-11-01
IT1087670B (en) 1985-06-04

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